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Fix INT 10:09 (write char) and INT 10:0a (write char and attribute)

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when cursor is at the lower right corner.

PR:		29574 29601
Submitted by:	Nils M Holm <nmh@t3x.org>
This commit is contained in:
Thomas Gellekum 2001-08-14 11:57:14 +00:00
parent f7448f4297
commit 566f6e4f1e
2 changed files with 12 additions and 10 deletions
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20
usr.bin/doscmd/tty.c
View File

@ -1427,7 +1427,7 @@ tty_flush()
}
void
tty_index()
tty_index(int scroll)
{
int i;
@ -1435,9 +1435,11 @@ tty_index()
row = 0;
else if (++row >= height) {
row = height - 1;
memcpy(vmem, &vmem[width], 2 * width * (height - 1));
for (i = 0; i < width; ++i)
vmem[(height - 1) * width + i] = vattr | ' ';
if (scroll) {
memcpy(vmem, &vmem[width], 2 * width * (height - 1));
for (i = 0; i < width; ++i)
vmem[(height - 1) * width + i] = vattr | ' ';
}
}
SetVREGCur();
}
@ -1479,19 +1481,19 @@ tty_write(int c, int attr)
col = (col + 8) & ~0x07;
if (col > width) {
col = 0;
tty_index();
tty_index(1);
}
break;
case '\r':
col = 0;
break;
case '\n':
tty_index();
tty_index(1);
break;
default:
if (col >= width) {
col = 0;
tty_index();
tty_index(1);
}
if (row > (height - 1))
row = 0;
@ -1523,7 +1525,7 @@ tty_rwrite(int n, int c, int attr)
while (n--) {
if (col >= width) {
col = 0;
tty_index();
tty_index(0);
}
if (row > (height - 1))
row = 0;
@ -1554,7 +1556,7 @@ tty_rwrite_graphics(int n, int c, int attr)
while (n--) {
if (col >= wd) {
col = 0;
/* tty_index(); *//* scroll up if last line is filled */
/* tty_index(0); *//* scroll up if last line is filled */
}
if (row > (ht - 1))
row = 0;

2
usr.bin/doscmd/tty.h
View File

@ -52,7 +52,7 @@ int tty_char(int, int);
int tty_eread(REGISTERS, int, int);
int tty_estate(void);
void tty_flush(void);
void tty_index(void);
void tty_index(int);
void tty_move(int, int);
int tty_read(regcontext_t *, int);
void tty_report(int *, int *);